Home / 49,917.17-74,855.09-20,314.91

Finding the Fourth Proportional to 49,917.17, 74,855.09 and 20,314.91

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Solution

The fourth proportional to 49,917.17, 74,855.09 and 20,314.91 is: 30,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.17 : 74,855.09 = 20,314.91 : x
  2. Step 2: Convert to fraction form
    49,917.17/74,855.09 = 20,314.91/x
  3. Step 3: Cross multiply
    49,917.17x = 74,855.09 × 20,314.91
  4. Step 4: Simplify right side
    49,917.17x = 1,520,673,940.54
  5. Step 5: Solve for x
    x = 1,520,673,940.54/49,917.17
  6. Step 6: Final answer
    x = 30,463.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.